https://redcheck.es/

{
  "url": "https://redcheck.es/",
  "timestamp": 1787327540251,
  "fetch": {
    "mode": "rendered",
    "timeMs": 960,
    "htmlSizeBytes": 4433,
    "supportsMarkdown": false,
    "markdownAgents": {
      "contentNegotiation": false,
      "mdUrl": {
        "found": false,
        "url": null
      },
      "linkTag": {
        "found": false,
        "url": null
      },
      "linkHeader": {
        "found": false,
        "url": null
      },
      "responseHeaders": {
        "contentSignal": null,
        "xMarkdownTokens": null,
        "vary": null
      },
      "frontmatter": {
        "present": false,
        "fields": [],
        "level": "none"
      },
      "level": "none"
    },
    "statusCode": 200
  },
  "extraction": {
    "title": "RedCheck | Agenda Inteligente Interactiva",
    "excerpt": "REDCHECK",
    "byline": null,
    "siteName": null,
    "lang": "en",
    "contentLength": 120,
    "metadata": {
      "description": null,
      "ogTitle": null,
      "ogDescription": null,
      "ogImage": null,
      "ogType": null,
      "canonical": null,
      "lang": "en",
      "schemas": [],
      "robotsMeta": null,
      "author": null,
      "generator": null,
      "markdownAlternateHref": null
    }
  },
  "markdown": "REDCHECK\n\nAgendaInteligenteInteractiva\n\n## Iniciar sesión\n\nCorreo electrónico\n\nContraseña\n\n¿Aún no tienes una cuenta? [Regístrate aquí](https://redcheck.es/register)\n",
  "fullPageMarkdown": "RedCheck | Agenda Inteligente Interactiva\n\nREDCHECK\n\nAgendaInteligenteInteractiva\n\n## Iniciar sesión\n\nCorreo electrónico\n\nContraseña\n\nEntrar a RedCheck🚀 Demo\n\n¿Aún no tienes una cuenta? [Regístrate aquí](https://redcheck.es/register)\n",
  "markdownStats": {
    "images": 0,
    "links": 1,
    "tables": 0,
    "codeBlocks": 0,
    "headings": 1
  },
  "tokens": {
    "htmlTokens": 1337,
    "markdownTokens": 45,
    "reduction": 1292,
    "reductionPercent": 97
  },
  "score": {
    "score": 37,
    "grade": "F",
    "rubricVersion": 2,
    "dimensions": {
      "accessibility": {
        "score": 31,
        "weight": 30,
        "grade": "F",
        "checks": {
          "content_without_js": {
            "score": 20,
            "weight": 55,
            "evidence": "proven",
            "details": "Content requires JavaScript rendering"
          },
          "fast_content_position": {
            "score": 0,
            "weight": 25,
            "evidence": "plausible",
            "details": "Main content starts at 100% of HTML"
          },
          "reasonable_page_size": {
            "score": 100,
            "weight": 20,
            "evidence": "plausible",
            "details": "Page size: 4KB"
          }
        }
      },
      "aiDiscoverability": {
        "score": 50,
        "weight": 25,
        "grade": "D",
        "checks": {
          "robots_allows_ai_bots": {
            "score": 100,
            "weight": 35,
            "evidence": "proven",
            "details": "All major AI search bots allowed"
          },
          "supports_markdown_negotiation": {
            "score": 0,
            "weight": 20,
            "evidence": "plausible",
            "details": "No Markdown for Agents support detected"
          },
          "has_sitemap": {
            "score": 0,
            "weight": 15,
            "evidence": "plausible",
            "details": "No sitemap found"
          },
          "has_robots_txt": {
            "score": 100,
            "weight": 10,
            "evidence": "plausible",
            "details": "robots.txt exists"
          },
          "has_llms_txt": {
            "score": 50,
            "weight": 10,
            "evidence": "speculative",
            "details": "llms.txt exists but appears empty or invalid"
          },
          "has_content_signals": {
            "score": 0,
            "weight": 10,
            "evidence": "speculative",
            "details": "No Content-Signal found (robots.txt or HTTP headers)"
          }
        }
      },
      "structuredData": {
        "score": 10,
        "weight": 20,
        "grade": "F",
        "checks": {
          "has_schema_org": {
            "score": 0,
            "weight": 35,
            "evidence": "proven",
            "details": "No JSON-LD / Schema.org found"
          },
          "has_open_graph": {
            "score": 0,
            "weight": 20,
            "evidence": "plausible",
            "details": "0/3 OG tags present"
          },
          "has_meta_description": {
            "score": 0,
            "weight": 20,
            "evidence": "plausible",
            "details": "No meta description"
          },
          "has_canonical_url": {
            "score": 0,
            "weight": 15,
            "evidence": "plausible",
            "details": "No canonical URL"
          },
          "has_lang_attribute": {
            "score": 100,
            "weight": 10,
            "evidence": "plausible",
            "details": "lang=\"en\""
          }
        }
      },
      "semanticHtml": {
        "score": 46,
        "weight": 15,
        "grade": "D",
        "checks": {
          "proper_heading_hierarchy": {
            "score": 70,
            "weight": 30,
            "evidence": "plausible",
            "details": "no <h1>"
          },
          "uses_article_or_main": {
            "score": 0,
            "weight": 25,
            "evidence": "plausible",
            "details": "Missing <article> and <main> elements"
          },
          "semantic_elements": {
            "score": 0,
            "weight": 20,
            "evidence": "plausible",
            "details": "0 semantic elements, 13 divs (ratio: 0%)"
          },
          "meaningful_alt_texts": {
            "score": 100,
            "weight": 15,
            "evidence": "plausible",
            "details": "No images found"
          },
          "low_div_nesting": {
            "score": 100,
            "weight": 10,
            "evidence": "speculative",
            "details": "Avg div depth: 3.8, max: 7"
          }
        }
      },
      "contentEfficiency": {
        "score": 60,
        "weight": 10,
        "grade": "C",
        "checks": {
          "token_reduction_ratio": {
            "score": 100,
            "weight": 40,
            "evidence": "speculative",
            "details": "97% token reduction (HTML→Markdown)"
          },
          "content_to_noise_ratio": {
            "score": 0,
            "weight": 30,
            "evidence": "speculative",
            "details": "Content ratio: 2.7% (120 content chars / 4433 HTML bytes)"
          },
          "reasonable_page_weight": {
            "score": 100,
            "weight": 20,
            "evidence": "speculative",
            "details": "HTML size: 4KB"
          },
          "minimal_inline_styles": {
            "score": 0,
            "weight": 10,
            "evidence": "speculative",
            "details": "2/40 elements with inline styles (5.0%)"
          }
        }
      }
    }
  },
  "recommendations": [
    {
      "id": "provide_content_without_js",
      "priority": "critical",
      "category": "accessibility",
      "titleKey": "rec.provide_content_without_js.title",
      "descriptionKey": "rec.provide_content_without_js.description",
      "howToKey": "rec.provide_content_without_js.howto",
      "effort": "significant",
      "estimatedImpact": 13.2,
      "maxImpact": 16.5,
      "evidence": "proven",
      "checkScore": 20,
      "checkDetails": "Content requires JavaScript rendering"
    },
    {
      "id": "move_content_earlier",
      "priority": "critical",
      "category": "accessibility",
      "titleKey": "rec.move_content_earlier.title",
      "descriptionKey": "rec.move_content_earlier.description",
      "howToKey": "rec.move_content_earlier.howto",
      "effort": "moderate",
      "estimatedImpact": 7.5,
      "maxImpact": 7.5,
      "evidence": "plausible",
      "checkScore": 0,
      "checkDetails": "Main content starts at 100% of HTML"
    },
    {
      "id": "add_schema_org",
      "priority": "critical",
      "category": "structuredData",
      "titleKey": "rec.add_schema_org.title",
      "descriptionKey": "rec.add_schema_org.description",
      "howToKey": "rec.add_schema_org.howto",
      "effort": "moderate",
      "estimatedImpact": 7,
      "maxImpact": 7,
      "evidence": "proven",
      "checkScore": 0,
      "checkDetails": "No JSON-LD / Schema.org found"
    },
    {
      "id": "add_markdown_negotiation",
      "priority": "critical",
      "category": "aiDiscoverability",
      "titleKey": "rec.add_markdown_negotiation.title",
      "descriptionKey": "rec.add_markdown_negotiation.description",
      "howToKey": "rec.add_markdown_negotiation.howto",
      "effort": "significant",
      "estimatedImpact": 5,
      "maxImpact": 5,
      "evidence": "plausible",
      "checkScore": 0,
      "checkDetails": "No Markdown for Agents support detected"
    },
    {
      "id": "add_open_graph",
      "priority": "high",
      "category": "structuredData",
      "titleKey": "rec.add_open_graph.title",
      "descriptionKey": "rec.add_open_graph.description",
      "howToKey": "rec.add_open_graph.howto",
      "effort": "quick-win",
      "estimatedImpact": 4,
      "maxImpact": 4,
      "evidence": "plausible",
      "checkScore": 0,
      "checkDetails": "0/3 OG tags present"
    },
    {
      "id": "add_meta_description",
      "priority": "high",
      "category": "structuredData",
      "titleKey": "rec.add_meta_description.title",
      "descriptionKey": "rec.add_meta_description.description",
      "howToKey": "rec.add_meta_description.howto",
      "effort": "quick-win",
      "estimatedImpact": 4,
      "maxImpact": 4,
      "evidence": "plausible",
      "checkScore": 0,
      "checkDetails": "No meta description"
    },
    {
      "id": "add_article_main",
      "priority": "high",
      "category": "semanticHtml",
      "titleKey": "rec.add_article_main.title",
      "descriptionKey": "rec.add_article_main.description",
      "howToKey": "rec.add_article_main.howto",
      "effort": "quick-win",
      "estimatedImpact": 3.8,
      "maxImpact": 3.8,
      "evidence": "plausible",
      "checkScore": 0,
      "checkDetails": "Missing <article> and <main> elements"
    },
    {
      "id": "add_sitemap",
      "priority": "high",
      "category": "aiDiscoverability",
      "titleKey": "rec.add_sitemap.title",
      "descriptionKey": "rec.add_sitemap.description",
      "howToKey": "rec.add_sitemap.howto",
      "effort": "quick-win",
      "estimatedImpact": 3.8,
      "maxImpact": 3.8,
      "evidence": "plausible",
      "checkScore": 0,
      "checkDetails": "No sitemap found"
    },
    {
      "id": "add_canonical_url",
      "priority": "high",
      "category": "structuredData",
      "titleKey": "rec.add_canonical_url.title",
      "descriptionKey": "rec.add_canonical_url.description",
      "howToKey": "rec.add_canonical_url.howto",
      "effort": "quick-win",
      "estimatedImpact": 3,
      "maxImpact": 3,
      "evidence": "plausible",
      "checkScore": 0,
      "checkDetails": "No canonical URL"
    },
    {
      "id": "add_semantic_elements",
      "priority": "high",
      "category": "semanticHtml",
      "titleKey": "rec.add_semantic_elements.title",
      "descriptionKey": "rec.add_semantic_elements.description",
      "howToKey": "rec.add_semantic_elements.howto",
      "effort": "moderate",
      "estimatedImpact": 3,
      "maxImpact": 3,
      "evidence": "plausible",
      "checkScore": 0,
      "checkDetails": "0 semantic elements, 13 divs (ratio: 0%)"
    }
  ],
  "llmsTxtPreview": "# redcheck.es\n\n> REDCHECK\n\n## Main\n- [RedCheck | Agenda Inteligente Interactiva](https://redcheck.es/): REDCHECK\n\n",
  "llmsTxtExisting": "<!doctype html>\n<html lang=\"en\">\n  <head>\n    <meta charset=\"UTF-8\" />\n    <link rel=\"icon\" type=\"image/svg+xml\" href=\"/redcheck.svg\" />\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\" />\n    <title>RedCheck | Agenda Inteligente Interactiva</title>\n    <script type=\"module\" crossorigin src=\"/assets/index-_TgoCNfH.js\"></script>\n    <link rel=\"stylesheet\" crossorigin href=\"/assets/index-v1McuvHD.css\">\n  </head>\n  <body>\n    <div id=\"root\"></div>\n  </body>\n</html>",
  "emergingProtocols": {
    "oauthProtectedResource": {
      "exists": false,
      "url": "https://redcheck.es/.well-known/oauth-protected-resource"
    },
    "oauthDiscovery": {
      "exists": false,
      "url": "https://redcheck.es/.well-known/oauth-authorization-server"
    },
    "mcpServerCard": {
      "exists": false,
      "url": "https://redcheck.es/.well-known/mcp/server-card.json",
      "draft": true
    },
    "a2aAgentCard": {
      "exists": false,
      "url": "https://redcheck.es/.well-known/agent-card.json"
    },
    "apiCatalog": {
      "exists": false,
      "url": "https://redcheck.es/.well-known/api-catalog"
    },
    "agentSkills": {
      "exists": false,
      "url": "https://redcheck.es/.well-known/agent-skills/index.json",
      "draft": true
    },
    "count": 0,
    "total": 6
  },
  "botAccess": {
    "probed": true,
    "bot": "OAI-SearchBot",
    "controlStatus": 200,
    "botStatus": 200,
    "discriminates": false,
    "refusedAsBot": false,
    "edge": null,
    "verifiable": false,
    "detail": "This origin answers OAI-SearchBot exactly as it answers any other client (200). No edge-level filtering of AI crawlers observed."
  },
  "snippets": [
    {
      "id": "add_open_graph",
      "title": "Add missing Open Graph tags",
      "description": "Open Graph tags control how your page looks when shared on social media and how AI platforms preview your URL in answers.",
      "language": "html",
      "code": "<meta property=\"og:title\" content=\"RedCheck | Agenda Inteligente Interactiva\">\n<meta property=\"og:description\" content=\"Page description.\">\n<meta property=\"og:image\" content=\"https://yoursite.com/og-image.jpg\">\n<meta property=\"og:url\" content=\"https://redcheck.es/\">\n<meta property=\"og:type\" content=\"website\">",
      "filename": "<head>",
      "stacks": [
        {
          "id": "html",
          "label": "HTML <head>",
          "language": "html",
          "filename": "<head>",
          "code": "<meta property=\"og:title\" content=\"RedCheck | Agenda Inteligente Interactiva\">\n<meta property=\"og:description\" content=\"Page description.\">\n<meta property=\"og:image\" content=\"https://yoursite.com/og-image.jpg\">\n<meta property=\"og:url\" content=\"https://redcheck.es/\">\n<meta property=\"og:type\" content=\"website\">"
        },
        {
          "id": "wordpress",
          "label": "WordPress",
          "language": "php",
          "filename": "functions.php",
          "code": "<?php\n// Quick Open Graph tags without a plugin (skip if Yoast / Rank Math is active)\nadd_action('wp_head', function () {\n    if (!is_singular()) return;\n    $post = get_queried_object();\n    $title = get_the_title($post);\n    $desc  = get_the_excerpt($post) ?: wp_trim_words(strip_tags($post->post_content), 30);\n    $image = get_the_post_thumbnail_url($post, 'large') ?: 'https://yoursite.com/og-image.jpg';\n    $url   = get_permalink($post);\n    printf('<meta property=\"og:title\" content=\"%s\">' . \"\\n\", esc_attr($title));\n    printf('<meta property=\"og:description\" content=\"%s\">' . \"\\n\", esc_attr($desc));\n    printf('<meta property=\"og:image\" content=\"%s\">' . \"\\n\", esc_url($image));\n    printf('<meta property=\"og:url\" content=\"%s\">' . \"\\n\", esc_url($url));\n    echo '<meta property=\"og:type\" content=\"article\">' . \"\\n\";\n}, 5);"
        },
        {
          "id": "nextjs",
          "label": "Next.js",
          "language": "typescript",
          "filename": "app/page.tsx",
          "code": "// Next.js App Router — Metadata API\nimport type { Metadata } from 'next';\n\nexport const metadata: Metadata = {\n  title: \"RedCheck | Agenda Inteligente Interactiva\",\n  description: \"Page description.\",\n  openGraph: {\n    title: \"RedCheck | Agenda Inteligente Interactiva\",\n    description: \"Page description.\",\n    url: \"https://redcheck.es/\",\n    images: [\"https://yoursite.com/og-image.jpg\"],\n    type: 'website',\n  },\n};"
        }
      ]
    },
    {
      "id": "add_meta_description",
      "title": "Add meta description",
      "description": "A good meta description (50-160 characters) helps AI agents understand your page quickly.",
      "language": "html",
      "code": "<meta name=\"description\" content=\"REDCHECK\">",
      "filename": "<head>"
    },
    {
      "id": "add_canonical_url",
      "title": "Add canonical URL",
      "description": "The canonical URL tells AI agents which version of the page is the \"official\" one, avoiding duplicate content issues.",
      "language": "html",
      "code": "<link rel=\"canonical\" href=\"https://redcheck.es/\">",
      "filename": "<head>"
    },
    {
      "id": "add_schema_org",
      "title": "Add Schema.org JSON-LD",
      "description": "Structured data helps AI agents understand the type, author, and purpose of your content.",
      "language": "html",
      "code": "<script type=\"application/ld+json\">\n{\n  \"@context\": \"https://schema.org\",\n  \"@type\": \"WebPage\",\n  \"name\": \"RedCheck | Agenda Inteligente Interactiva\",\n  \"description\": \"Page description.\",\n  \"url\": \"https://redcheck.es/\",\n  \"inLanguage\": \"en\"\n}\n</script>",
      "filename": "<head>"
    },
    {
      "id": "add_sitemap",
      "title": "Create /sitemap.xml",
      "description": "A sitemap helps AI agents discover all your pages. Most CMS platforms generate one automatically.",
      "language": "xml",
      "code": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">\n  <url>\n    <loc>https://redcheck.es/</loc>\n    <lastmod>2026-08-21</lastmod>\n  </url>\n</urlset>",
      "filename": "/sitemap.xml"
    },
    {
      "id": "add_article_main",
      "title": "Wrap content in <main> and <article>",
      "description": "Semantic HTML landmarks help AI agents identify the main content of your page.",
      "language": "html",
      "code": "<main>\n  <article>\n    <h1>Your Page Title</h1>\n    <p>Your content here...</p>\n  </article>\n</main>",
      "filename": "<body>"
    },
    {
      "id": "add_markdown_negotiation",
      "title": "Support Markdown for Agents",
      "description": "Let AI agents request a clean Markdown version of any page via content negotiation, .md alternate URLs, link tags or Link headers.",
      "language": "html",
      "code": "<!-- Mechanism 3: link tag advertising the .md alternate -->\n<link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">",
      "filename": "<head>",
      "stacks": [
        {
          "id": "html",
          "label": "HTML <head>",
          "language": "html",
          "filename": "<head>",
          "code": "<!-- Mechanism 3: link tag advertising the .md alternate -->\n<link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">"
        },
        {
          "id": "express",
          "label": "Express",
          "language": "javascript",
          "filename": "server.js",
          "code": "// Mechanisms 1 + 4: content negotiation + Link header\napp.get('/page', (req, res) => {\n  res.setHeader('Vary', 'Accept');\n  res.setHeader('Link', '</page.md>; rel=\"alternate\"; type=\"text/markdown\"');\n  if ((req.headers.accept || '').includes('text/markdown')) {\n    res.type('text/markdown; charset=utf-8');\n    return res.send(renderMarkdown('page'));\n  }\n  res.render('page');\n});"
        },
        {
          "id": "fastify",
          "label": "Fastify",
          "language": "javascript",
          "filename": "server.js",
          "code": "// Mechanisms 1 + 4: content negotiation + Link header\nfastify.get('/page', async (req, reply) => {\n  reply.header('Vary', 'Accept');\n  reply.header('Link', '</page.md>; rel=\"alternate\"; type=\"text/markdown\"');\n  if ((req.headers.accept || '').includes('text/markdown')) {\n    return reply.type('text/markdown; charset=utf-8').send(renderMarkdown('page'));\n  }\n  return reply.view('/page.ejs');\n});"
        },
        {
          "id": "nextjs",
          "label": "Next.js",
          "language": "typescript",
          "filename": "app/page/route.ts",
          "code": "// Next.js App Router — Route Handler returning Markdown\nimport { NextRequest } from 'next/server';\nimport { renderMarkdown } from '@/lib/md';\nexport async function GET(req: NextRequest) {\n  const accept = req.headers.get('accept') || '';\n  if (accept.includes('text/markdown')) {\n    return new Response(await renderMarkdown('page'), {\n      headers: {\n        'Content-Type': 'text/markdown; charset=utf-8',\n        'Vary': 'Accept',\n      },\n    });\n  }\n  // Fall through to the page component\n  return new Response(null, { status: 404 });\n}"
        },
        {
          "id": "wordpress",
          "label": "WordPress",
          "language": "php",
          "filename": "functions.php",
          "code": "<?php\n// Mechanism 1: respond to Accept: text/markdown on the same URL\nadd_action('template_redirect', function () {\n    if (!is_singular()) return;\n    $accept = $_SERVER['HTTP_ACCEPT'] ?? '';\n    if (strpos($accept, 'text/markdown') === false) return;\n    header('Content-Type: text/markdown; charset=utf-8');\n    header('Vary: Accept');\n    $post = get_queried_object();\n    echo \"# \" . get_the_title($post) . \"\\n\\n\";\n    echo wp_strip_all_tags(apply_filters('the_content', $post->post_content));\n    exit;\n});"
        },
        {
          "id": "static",
          "label": "Hugo / Jekyll / Astro",
          "language": "txt",
          "filename": "static/page.md",
          "code": "# Mechanism 2: serve .md alongside .html\n# Hugo: place page.md in /static/ — built unchanged\n# Jekyll: drop page.md in /assets/ — copied as-is\n# Astro: src/pages/page.md.ts that exports a GET returning markdown\n\n# Then advertise with mechanism 3 in <head>:\n#   <link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">"
        }
      ]
    }
  ]
}

APIを使用してプログラムで取得できます（近日公開）